/* The Site Desk · its own identity: ivory, graphite, TL orange, a touch of lavender.
   Plus Jakarta Sans (headlines) · Inter (reading) · Newsreader (editorial accents). */
:root {
  --sd-bg: #FAF9F6; --sd-white: #FFFFFF; --sd-ink: #1D1D1F; --sd-ink2: #424245; --sd-mute: #6E6A64; --sd-line: #E7E3DB;
  --sd-org: #FF4A1C; --sd-org-ink: #C43A12; --sd-org-soft: #FFE8DF; --sd-lav: #EAE7FF; --sd-lav-ink: #4B3FB0; --sd-green: #1E8E5A;
  --sd-dark: #141416;
  --sd-head: "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;
  --sd-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --sd-serif: "Newsreader", Georgia, serif;
  --sd-max: 1240px; --sd-gut: clamp(18px, 4vw, 40px);
  --sd-ease: cubic-bezier(.2, .7, .1, 1);
  --sd-r: 22px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
.calm, .calm * { scroll-behavior: auto !important; }
body { margin: 0; background: var(--sd-bg); color: var(--sd-ink); font: 400 17px/1.6 var(--sd-body); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3, b, strong { font-family: var(--sd-head); }
h1, h2, h3 { margin: 0; letter-spacing: -.035em; line-height: 1.05; font-weight: 750; }
em { font-family: var(--sd-serif); font-style: italic; font-weight: 450; letter-spacing: -.01em; }
p { margin: 0; }
.sd-wrap { width: min(var(--sd-max), 100% - 2 * var(--sd-gut)); margin-inline: auto; }
.sd-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.sd-skip { position: absolute; left: -999px; top: 8px; z-index: 99; padding: 10px 14px; background: var(--sd-ink); color: #fff; border-radius: 8px; }
.sd-skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--sd-org); outline-offset: 3px; border-radius: 6px; }

/* ---------- logo ---------- */
.sd-logo { display: inline-grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: 10px; align-items: center; color: var(--sd-ink); text-decoration: none; }
.sd-mark { grid-row: span 2; width: 40px; height: 34px; color: var(--sd-ink); }
.sd-logo__t { display: grid; line-height: 1; }
.sd-logo__t small { font: 600 9px/1 var(--sd-head); letter-spacing: .32em; text-transform: uppercase; color: var(--sd-mute); margin-bottom: 2px; }
.sd-logo__t b { font: 800 20px/1 var(--sd-head); letter-spacing: -.03em; }
.sd-logo__t i { font-style: normal; color: var(--sd-org); margin-left: 3px; }
.sd-logo__by { font: 500 10.5px/1.2 var(--sd-body); color: var(--sd-mute); letter-spacing: .02em; }

/* ---------- header ---------- */
.sd-nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--sd-bg) 82%, transparent); backdrop-filter: saturate(1.6) blur(18px); -webkit-backdrop-filter: saturate(1.6) blur(18px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.sd-nav.is-scrolled { border-bottom-color: var(--sd-line); }
.sd-nav__in { display: flex; align-items: center; gap: 20px; min-height: 72px; }
.sd-nav__brand { text-decoration: none; flex: none; }
.sd-nav__links { display: flex; gap: 4px; margin: 0 auto; }
.sd-nav__links a { padding: 8px 14px; border-radius: 999px; font: 550 14.5px var(--sd-body); color: var(--sd-ink2); text-decoration: none; transition: background-color .2s, color .2s; }
.sd-nav__links a:hover { background: rgba(29, 29, 31, .05); color: var(--sd-ink); }
.sd-nav__links a[aria-current="page"] { background: var(--sd-ink); color: #fff; }
.sd-nav__tools { display: flex; align-items: center; gap: 8px; }
.sd-iconbtn { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--sd-line); border-radius: 50%; background: var(--sd-white); color: var(--sd-ink); cursor: pointer; }
.sd-iconbtn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.sd-iconbtn:hover { border-color: var(--sd-ink); }
.sd-acct { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 16px; border-radius: 999px; background: var(--sd-ink); color: #fff; font: 600 14px var(--sd-body); text-decoration: none; white-space: nowrap; }
.sd-acct.is-in { background: var(--sd-white); color: var(--sd-ink); border: 1px solid var(--sd-line); }
.sd-acct.is-in::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--sd-green); }
.sd-back { font: 550 13.5px var(--sd-body); color: var(--sd-mute); text-decoration: none; white-space: nowrap; padding: 8px 6px; }
.sd-back:hover { color: var(--sd-org-ink); }
.sd-nav__menu { display: none; }
.sd-drawer { border-top: 1px solid var(--sd-line); background: var(--sd-bg); }
.sd-drawer .sd-wrap { display: grid; padding: 10px 0 18px; }
.sd-drawer a { padding: 13px 4px; border-bottom: 1px solid var(--sd-line); font: 650 18px var(--sd-head); text-decoration: none; }
@media (max-width: 1060px) { .sd-back { display: none; } }
@media (max-width: 900px) { .sd-nav__links { display: none; } .sd-nav__menu { display: inline-grid; } .sd-nav__tools { margin-left: auto; } }
@media (max-width: 520px) { .sd-logo__by { display: none; } .sd-acct { padding: 0 12px; font-size: 13px; } }

/* ---------- search ---------- */
.sd-search { position: fixed; inset: 0; z-index: 90; display: grid; justify-items: center; align-items: start; padding: 12vh var(--sd-gut) 20px; background: rgba(250, 249, 246, .72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.sd-search[hidden] { display: none; }
.sd-search__box { width: min(640px, 100%); border: 1px solid var(--sd-line); border-radius: 20px; background: var(--sd-white); box-shadow: 0 40px 100px -40px rgba(0, 0, 0, .35); overflow: hidden; }
.sd-search__f { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--sd-line); }
.sd-search__f svg { width: 20px; height: 20px; flex: none; fill: none; stroke: var(--sd-mute); stroke-width: 2; stroke-linecap: round; }
.sd-search__f input { flex: 1; border: 0; outline: 0; font: 500 18px var(--sd-body); color: var(--sd-ink); background: none; }
.sd-search__res { list-style: none; margin: 0; padding: 6px; max-height: 50vh; overflow: auto; }
.sd-search__res a { display: grid; gap: 2px; padding: 12px 14px; border-radius: 12px; text-decoration: none; }
.sd-search__res a:hover, .sd-search__res a:focus { background: var(--sd-bg); outline: none; }
.sd-search__res b { font-size: 15px; } .sd-search__res small { color: var(--sd-mute); font-size: 13px; }
.sd-search__hint { margin: 0; padding: 10px 20px; border-top: 1px solid var(--sd-line); color: var(--sd-mute); font-size: 12px; }

/* ---------- shared pieces ---------- */
.sd-eyebrow { font: 650 12.5px var(--sd-head); letter-spacing: .14em; text-transform: uppercase; color: var(--sd-org-ink); margin-bottom: 14px; }
.sd-k { display: flex; align-items: center; gap: 8px; font: 650 11.5px var(--sd-head); letter-spacing: .14em; text-transform: uppercase; color: var(--sd-mute); margin-bottom: 10px; }
.sd-k svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; }
.sd-lede { font-size: clamp(18px, 1.5vw, 21px); line-height: 1.55; color: var(--sd-ink2); max-width: 56ch; }
.sd-serif { font-family: var(--sd-serif); }
.sd-fine { color: var(--sd-mute); font-size: 14px; }
.sd-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border: 0; border-radius: 999px; background: var(--sd-org); color: #fff; font: 650 16px var(--sd-body); text-decoration: none; cursor: pointer; box-shadow: 0 10px 24px -12px rgba(255, 74, 28, .8); transition: transform .2s var(--sd-ease), background-color .2s; }
.sd-btn:hover { transform: translateY(-1px); background: #F03E10; }
.sd-btn--ghost { background: var(--sd-white); color: var(--sd-ink); border: 1px solid var(--sd-line); box-shadow: none; }
.sd-btn--ghost:hover { background: var(--sd-white); border-color: var(--sd-ink); }
.sd-btn--ghostdark { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .3); box-shadow: none; }
.sd-btn--ghostdark:hover { background: rgba(255, 255, 255, .08); }
.sd-btn[aria-pressed="true"] { background: var(--sd-green); box-shadow: none; }
.sd-btn--ghost[aria-pressed="true"] { background: var(--sd-lav); color: var(--sd-lav-ink); border-color: transparent; }
.sd-link { border: 0; background: none; padding: 0; color: var(--sd-org-ink); font: 650 15px var(--sd-body); text-decoration: none; cursor: pointer; }
.sd-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.sd-pill { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; background: var(--sd-lav); color: var(--sd-lav-ink); font: 700 12px var(--sd-head); letter-spacing: .02em; }
.sd-free, .sd-client, .sd-lvl { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 999px; font: 650 12px var(--sd-body); }
.sd-free { background: var(--sd-org-soft); color: var(--sd-org-ink); }
.sd-client { background: #F1EFEA; color: var(--sd-ink2); }
.sd-client svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2.2; }
.sd-lvl { background: transparent; color: var(--sd-mute); padding-left: 0; }
.sd-meter { display: block; height: 6px; border-radius: 6px; background: #ECE8E0; overflow: hidden; min-width: 60px; }
.sd-meter > span { display: block; height: 100%; width: 0; border-radius: 6px; background: var(--sd-org); transition: width .8s var(--sd-ease); }
.sd-meter--lg { height: 8px; width: min(320px, 100%); }
.sd-ring { --p: 0; position: relative; display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: conic-gradient(var(--sd-org) calc(var(--p) * 360deg), #ECE8E0 0); flex: none; }
.sd-ring::before { content: ""; position: absolute; inset: 6px; border-radius: 50%; background: var(--sd-white); }
.sd-ring b { position: relative; font-size: 12px; }
.sd-ring--lg { width: 96px; height: 96px; } .sd-ring--lg::before { inset: 9px; } .sd-ring--lg b { font-size: 20px; }
.sd-done { display: none; place-items: center; width: 22px; height: 22px; margin-left: auto; border-radius: 50%; background: var(--sd-green); color: #fff; font-size: 12px; font-style: normal; font-weight: 800; }
.is-done .sd-done { display: inline-grid; }

/* ---------- sections ---------- */
.sd-sec { padding: clamp(70px, 9vw, 120px) 0; }
.sd-sec--tight { padding-top: clamp(30px, 4vw, 50px); }
.sd-sec--soft { background: #F3F1EC; }
.sd-sec--feature { background: var(--sd-white); border-block: 1px solid var(--sd-line); }
.sd-sec--dark { background: var(--sd-dark); color: #F5F5F7; }
.sd-sec--dark .sd-lede { color: #B8B8BE; } .sd-sec--dark .sd-eyebrow { color: #FF8A63; } .sd-sec--dark .sd-fine { color: #8E8E95; margin-top: 18px; }
.sd-head { margin-bottom: clamp(30px, 4vw, 50px); }
.sd-head h2, .sd-split h2, .sd-feature h2 { font-size: clamp(34px, 4.4vw, 60px); margin-bottom: 14px; }
.sd-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
.sd-split--top { align-items: start; }
@media (max-width: 860px) { .sd-split { grid-template-columns: 1fr; } }

/* ---------- hero ---------- */
.sd-hero { padding: clamp(40px, 7vw, 90px) 0 clamp(60px, 8vw, 110px); overflow: hidden; }
.sd-hero__grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.sd-hero h1 { font-size: clamp(54px, 8.4vw, 128px); line-height: .92; letter-spacing: -.055em; margin-bottom: 22px; }
.sd-hero h1 span { color: var(--sd-org); }
.sd-hero__ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 30px; }
.sd-hero__note { margin-top: 20px; color: var(--sd-mute); font-size: 14px; }
.sd-stagewrap { perspective: 1400px; }
.sd-stage { position: relative; transform-style: preserve-3d; transition: transform .6s var(--sd-ease); }
.sd-laptop__screen { padding: 12px; border-radius: 22px 22px 6px 6px; background: #1D1D1F; box-shadow: 0 50px 100px -40px rgba(29, 29, 31, .5); }
.sd-laptop__base { height: 16px; margin: 0 -5%; border-radius: 0 0 20px 20px; background: linear-gradient(#D9D6CF, #BDB9B1); }
.sd-ui { border-radius: 12px; overflow: hidden; background: var(--sd-bg); }
.sd-ui__bar { display: flex; align-items: center; gap: 6px; padding: 9px 12px; background: var(--sd-white); border-bottom: 1px solid var(--sd-line); }
.sd-ui__bar i { width: 8px; height: 8px; border-radius: 50%; background: #E4E1DA; } .sd-ui__bar i:first-child { background: var(--sd-org); }
.sd-ui__bar span { margin-left: 8px; font-size: 11px; color: var(--sd-mute); }
.sd-ui__body { display: grid; gap: 10px; justify-items: start; padding: 18px 20px 22px; }
.sd-ui__body b { font-size: clamp(16px, 1.6vw, 22px); letter-spacing: -.02em; }
.sd-ui__fig { width: 100%; padding: 10px; border-radius: 14px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-ui__lines { display: grid; gap: 7px; width: 100%; } .sd-ui__lines i { height: 7px; border-radius: 4px; background: #ECE8E0; }
.sd-float { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid var(--sd-line); border-radius: 18px; background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px); box-shadow: 0 24px 50px -24px rgba(29, 29, 31, .35); font-size: 13px; animation: sdFloat 7s ease-in-out infinite; }
.sd-float b { display: block; font-size: 13.5px; } .sd-float small { display: block; color: var(--sd-mute); font-size: 12px; }
.sd-float--a { left: -6%; bottom: 14%; }
.sd-float--b { right: -4%; top: 6%; display: grid; gap: 2px; animation-delay: -2s; }
.sd-float--b small { color: var(--sd-ink2); }
.sd-float--c { right: 2%; bottom: -6%; animation-delay: -4s; }
.sd-play { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--sd-org); color: #fff; font-size: 12px; flex: none; }
@keyframes sdFloat { 50% { transform: translateY(-8px); } }
.calm .sd-float { animation: none; }
@media (max-width: 960px) { .sd-hero__grid { grid-template-columns: 1fr; } .sd-stagewrap { max-width: 620px; margin: 10px auto 0; } .sd-float--a { left: 0; } .sd-float--b { right: 0; } }
@media (max-width: 520px) { .sd-float--b { display: none; } .sd-float { padding: 9px 12px; } .sd-float--c { right: 0; bottom: -10%; } }

/* ---------- learning paths ---------- */
.sd-paths { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sd-path { position: relative; display: grid; align-content: start; gap: 12px; min-height: 340px; padding: 28px; border-radius: var(--sd-r); background: var(--sd-white); border: 1px solid var(--sd-line); text-decoration: none; overflow: hidden; transition: transform .35s var(--sd-ease), box-shadow .35s var(--sd-ease); }
.sd-path:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -36px rgba(29, 29, 31, .35); }
.sd-path:nth-child(1) { background: linear-gradient(160deg, var(--sd-lav), var(--sd-white) 70%); }
.sd-path:nth-child(2) { background: linear-gradient(160deg, var(--sd-org-soft), var(--sd-white) 70%); }
.sd-path:nth-child(3) { background: linear-gradient(160deg, #E4F4EC, var(--sd-white) 70%); }
.sd-path:nth-child(4) { background: linear-gradient(160deg, #ECEBE6, var(--sd-white) 70%); }
.sd-path__i { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--sd-ink); color: #fff; }
.sd-path__i svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sd-path__i--big { width: 64px; height: 64px; border-radius: 18px; margin-bottom: 22px; } .sd-path__i--big svg { width: 32px; height: 32px; }
.sd-path__n { font: 650 12px var(--sd-head); letter-spacing: .12em; text-transform: uppercase; color: var(--sd-mute); margin-top: 18px; }
.sd-path b { font-size: clamp(22px, 1.9vw, 27px); letter-spacing: -.03em; line-height: 1.12; }
.sd-path small { color: var(--sd-ink2); font-size: 15px; line-height: 1.5; }
.sd-path__foot { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; margin-top: auto; padding-top: 18px; font-size: 13px; color: var(--sd-mute); }
@media (max-width: 1100px) { .sd-paths { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .sd-paths { grid-template-columns: 1fr; } .sd-path { min-height: 0; } }

/* ---------- lesson cards ---------- */
.sd-lcards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.sd-lcard { display: grid; align-content: start; gap: 10px; padding: 24px; border-radius: var(--sd-r); background: var(--sd-white); border: 1px solid var(--sd-line); text-decoration: none; transition: transform .3s var(--sd-ease), border-color .3s; }
.sd-lcard:hover { transform: translateY(-3px); border-color: #CFCAC0; }
.sd-lcard__top { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.sd-lcard b { font-size: 21px; letter-spacing: -.025em; line-height: 1.2; }
.sd-lcard small { color: var(--sd-ink2); font-size: 15px; line-height: 1.5; }
.sd-lcard__meta { margin-top: 6px; font-size: 13px; color: var(--sd-mute); }
.sd-lcard--big { grid-template-columns: 1fr; padding: 28px 30px; }
.sd-lcard--big b { font-size: clamp(22px, 2vw, 28px); }
.sd-plist { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; counter-reset: l; }

/* ---------- feature ---------- */
.sd-feature { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
.sd-feature__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 20px 0 26px; color: var(--sd-mute); font-size: 14px; }
.sd-feature__art { margin: 0; padding: clamp(18px, 3vw, 34px); border-radius: 28px; background: var(--sd-bg); border: 1px solid var(--sd-line); }
@media (max-width: 860px) { .sd-feature { grid-template-columns: 1fr; } }

/* ---------- client band ---------- */
.sd-benefits { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sd-benefits li { display: grid; gap: 4px; padding: 26px; border-radius: var(--sd-r); background: #1F1F22; border: 1px solid #2C2C30; }
.sd-benefits b { font-size: clamp(22px, 2vw, 28px); letter-spacing: -.03em; }
.sd-benefits span { color: #A1A1A8; font-size: 15px; }

/* ---------- toolkit + glossary teaser ---------- */
.sd-tks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sd-tks--grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); }
.sd-tk { display: grid; gap: 6px; align-content: start; padding: 22px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); text-decoration: none; transition: border-color .2s, transform .2s; }
.sd-tk:hover { border-color: var(--sd-org); transform: translateY(-2px); }
.sd-tk b { font-size: 17px; letter-spacing: -.015em; } .sd-tk small { color: var(--sd-ink2); font-size: 14px; } .sd-tk i { font-style: normal; color: var(--sd-mute); font-size: 13px; margin-top: 4px; }
.sd-tk--big { padding: 28px; } .sd-tk--big b { font-size: 21px; }
.sd-dl__i { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--sd-org-soft); color: var(--sd-org-ink); margin-bottom: 4px; }
.sd-dl__i svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sd-terms { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sd-terms li { display: grid; gap: 2px; padding: 16px 20px; border-radius: 16px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-terms b { font-size: 16px; } .sd-terms span { color: var(--sd-ink2); font-size: 15px; }
@media (max-width: 600px) { .sd-tks { grid-template-columns: 1fr; } }

/* ---------- page heroes ---------- */
.sd-phero { padding: clamp(40px, 6vw, 80px) 0 clamp(20px, 3vw, 30px); }
.sd-phero h1 { font-size: clamp(44px, 6.4vw, 92px); letter-spacing: -.05em; line-height: .95; margin-bottom: 18px; }
.sd-phero__prog { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 26px; color: var(--sd-mute); font-size: 14px; }
.sd-crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; font-size: 14px; color: var(--sd-mute); }
.sd-crumbs a { text-decoration: none; } .sd-crumbs a:hover { color: var(--sd-org-ink); }
.sd-others { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 40px; padding-top: 26px; border-top: 1px solid var(--sd-line); }
.sd-others .sd-k { margin: 0 8px 0 0; }
.sd-mini { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 8px; border-radius: 999px; background: var(--sd-white); border: 1px solid var(--sd-line); font: 600 14px var(--sd-body); text-decoration: none; }
.sd-mini .sd-path__i { width: 30px; height: 30px; border-radius: 50%; } .sd-mini .sd-path__i svg { width: 16px; height: 16px; }

/* ---------- lesson page ---------- */
.sd-lhero { padding: clamp(36px, 5vw, 70px) 0 clamp(26px, 3vw, 40px); background: linear-gradient(180deg, var(--sd-white), var(--sd-bg)); border-bottom: 1px solid var(--sd-line); }
.sd-lhero__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 18px; font-size: 14px; color: var(--sd-mute); }
.sd-lhero h1 { font-size: clamp(38px, 5.2vw, 72px); line-height: 1.02; letter-spacing: -.045em; max-width: 18ch; margin-bottom: 24px; }
.sd-why { max-width: 62ch; padding: 18px 22px; border-left: 3px solid var(--sd-org); border-radius: 0 16px 16px 0; background: var(--sd-white); font-family: var(--sd-serif); font-size: clamp(19px, 1.7vw, 23px); line-height: 1.5; color: var(--sd-ink); }
.sd-why .sd-k { font-family: var(--sd-head); }
.sd-lhero__actions { margin-top: 20px; }
.sd-lgrid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(30px, 5vw, 70px); padding: clamp(36px, 5vw, 60px) 0 clamp(70px, 8vw, 110px); }
.sd-lmain { max-width: 720px; }
.sd-prose h2 { font-size: clamp(26px, 2.6vw, 34px); margin: 46px 0 14px; }
.sd-prose h2:first-child { margin-top: 0; }
.sd-prose p { margin: 0 0 16px; font-size: 18px; line-height: 1.72; color: var(--sd-ink2); }
.sd-prose b { color: var(--sd-ink); font-family: var(--sd-body); font-weight: 650; }
.sd-fig { margin: 28px 0 34px; padding: clamp(14px, 2.5vw, 26px); border-radius: 24px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-example { margin: 34px 0; padding: 24px 26px; border-radius: 20px; background: var(--sd-lav); }
.sd-example .sd-k { color: var(--sd-lav-ink); }
.sd-example p:last-child { margin: 0; color: var(--sd-ink); font-family: var(--sd-serif); font-size: 19.5px; line-height: 1.55; }
.sd-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sd-steps li { display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; padding: 16px 18px; border-radius: 16px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-steps span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--sd-ink); color: #fff; font: 700 14px var(--sd-head); }
.sd-steps p { margin: 4px 0 0 !important; font-size: 16.5px !important; color: var(--sd-ink) !important; }
.sd-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 34px 0; }
.sd-mistakes, .sd-faq { padding: 22px; border-radius: 20px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-mistakes ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.sd-mistakes li { position: relative; padding-left: 26px; font-size: 15.5px; color: var(--sd-ink2); line-height: 1.5; }
.sd-mistakes li::before { content: "✕"; position: absolute; left: 0; top: 1px; color: var(--sd-org-ink); font-weight: 800; font-size: 13px; }
.sd-faq details { border-top: 1px solid var(--sd-line); padding: 10px 0; }
.sd-faq details:first-of-type { border-top: 0; padding-top: 0; }
.sd-faq summary { cursor: pointer; font: 650 15.5px var(--sd-body); list-style: none; display: flex; justify-content: space-between; gap: 10px; }
.sd-faq summary::after { content: "+"; color: var(--sd-org-ink); font-weight: 800; }
.sd-faq details[open] summary::after { content: "–"; }
.sd-faq p { margin: 8px 0 0 !important; font-size: 15px !important; }
@media (max-width: 700px) { .sd-two { grid-template-columns: 1fr; } }
.sd-dl { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; padding: 18px 20px; border-radius: 18px; background: var(--sd-org-soft); text-decoration: none; transition: transform .2s; }
.sd-dl:hover { transform: translateY(-2px); }
.sd-dl .sd-dl__i { background: var(--sd-white); margin: 0; }
.sd-dl b { display: block; font-size: 16.5px; } .sd-dl small { color: var(--sd-org-ink); font-size: 13.5px; }
.sd-next { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; margin: 18px 0 0; padding: 24px; border-radius: 22px; background: var(--sd-ink); color: #fff; }
.sd-next .sd-k { color: #A1A1A8; }
.sd-next .sd-link { color: #FF8A63; }
@media (max-width: 700px) { .sd-next { grid-template-columns: 1fr; } }
.sd-complete { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin: 46px 0 30px; padding: 24px 0; border-block: 1px solid var(--sd-line); }
.sd-complete p { color: var(--sd-mute); font-size: 14px; }
.sd-pn { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sd-pn a { display: grid; gap: 4px; padding: 18px 20px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); text-decoration: none; }
.sd-pn a:hover { border-color: var(--sd-ink); }
.sd-pn small { color: var(--sd-mute); font-size: 13px; } .sd-pn b { font-size: 16px; line-height: 1.3; }
.sd-pn__next { text-align: right; }
.sd-lside__in { position: sticky; top: 96px; padding: 22px; border-radius: 22px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-lside__list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 2px; }
.sd-lside__list a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 12px; font-size: 14.5px; line-height: 1.35; text-decoration: none; color: var(--sd-ink2); }
.sd-lside__list a:hover { background: var(--sd-bg); }
.sd-lside__list a[aria-current="page"] { background: var(--sd-lav); color: var(--sd-ink); font-weight: 600; }
.sd-lside__list span { flex: none; font: 700 12px var(--sd-head); color: var(--sd-mute); }
.sd-lside__list svg { width: 13px; height: 13px; flex: none; fill: none; stroke: var(--sd-mute); stroke-width: 2.2; margin-left: auto; }
.sd-lside__list .is-done svg { display: none; }
.sd-lside__c { margin-top: 8px; color: var(--sd-mute); font-size: 13px; }
@media (max-width: 960px) { .sd-lgrid { grid-template-columns: 1fr; } .sd-lside { order: -1; } .sd-lside__in { position: static; } }

/* ---------- gate (client lessons) ---------- */
.sd-gate { padding: clamp(24px, 3vw, 36px); border-radius: 26px; background: var(--sd-white); border: 1px solid var(--sd-line); box-shadow: 0 30px 70px -50px rgba(29, 29, 31, .4); }
.sd-gate .sd-k { color: var(--sd-org-ink); }
.sd-gate h2 { font-size: clamp(26px, 2.8vw, 36px); margin-bottom: 12px; }
.sd-gate > p { color: var(--sd-ink2); max-width: 58ch; }
.sd-gate__outline-t { margin-top: 22px !important; font-weight: 650; color: var(--sd-ink) !important; }
.sd-gate__outline { margin: 8px 0 24px; padding-left: 20px; color: var(--sd-ink2); display: grid; gap: 4px; }
.sd-gate__form [data-g1], .sd-gate__form [data-g2] { display: flex; flex-wrap: wrap; align-items: end; gap: 10px 12px; }
.sd-gate__form [hidden] { display: none !important; }
.sd-field { display: grid; gap: 6px; flex: 1 1 260px; }
.sd-field span { font: 600 13px var(--sd-body); color: var(--sd-ink2); }
.sd-field input { min-height: 50px; padding: 0 16px; border: 1px solid var(--sd-line); border-radius: 14px; background: var(--sd-bg); font: 500 17px var(--sd-body); color: var(--sd-ink); }
.sd-field input:focus { outline: none; border-color: var(--sd-org); box-shadow: 0 0 0 4px rgba(255, 74, 28, .15); }
.sd-gate__sent { flex-basis: 100%; color: var(--sd-ink2); }
.sd-gate__err { margin-top: 10px; color: #B42318; font-size: 14px; min-height: 1em; }
.sd-gate__noaccess p { margin-bottom: 12px; color: var(--sd-ink2); }
.sd-gate__noaccess p:last-child { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.sd-video { position: relative; aspect-ratio: 16 / 9; margin: 0 0 30px; border-radius: 22px; overflow: hidden; background: var(--sd-ink); }
.sd-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- glossary ---------- */
.sd-filter { display: flex; align-items: center; gap: 10px; max-width: 520px; margin-top: 28px; padding: 0 16px; min-height: 54px; border: 1px solid var(--sd-line); border-radius: 999px; background: var(--sd-white); }
.sd-filter svg { width: 18px; height: 18px; fill: none; stroke: var(--sd-mute); stroke-width: 2; stroke-linecap: round; }
.sd-filter input { flex: 1; border: 0; outline: 0; background: none; font: 500 17px var(--sd-body); color: var(--sd-ink); }
.sd-letters { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.sd-letters a { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--sd-white); border: 1px solid var(--sd-line); font: 700 14px var(--sd-head); text-decoration: none; }
.sd-letters a:hover { border-color: var(--sd-org); color: var(--sd-org-ink); }
.sd-gloss { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.sd-gloss li { display: grid; gap: 4px; padding: 18px 22px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); scroll-margin-top: 100px; }
.sd-gloss li[hidden] { display: none; }
.sd-gloss b { font-size: 17px; } .sd-gloss span { color: var(--sd-ink2); font-size: 15.5px; }
.sd-gloss .sd-gloss__L { grid-column: 1 / -1; padding: 18px 2px 4px; border: 0; background: none; font: 800 28px var(--sd-head); color: var(--sd-org); }
.sd-empty { color: var(--sd-mute); }
@media (max-width: 760px) { .sd-gloss { grid-template-columns: 1fr; } }

/* ---------- checklist sheet ---------- */
.sd-sheet { padding: clamp(30px, 5vw, 60px) 0 clamp(60px, 8vw, 100px); }
.sd-sheet__in { max-width: 820px; }
.sd-sheet__paper { padding: clamp(26px, 5vw, 56px); border-radius: 26px; background: var(--sd-white); border: 1px solid var(--sd-line); box-shadow: 0 40px 80px -60px rgba(29, 29, 31, .4); }
.sd-sheet__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 22px; margin-bottom: 28px; border-bottom: 1px solid var(--sd-line); }
.sd-sheet__paper h1 { font-size: clamp(32px, 4vw, 48px); margin-bottom: 12px; }
.sd-check { list-style: none; margin: 28px 0 0; padding: 0; }
.sd-check li { border-top: 1px solid var(--sd-line); }
.sd-check label { display: flex; gap: 14px; align-items: flex-start; padding: 15px 2px; font-size: 17px; cursor: pointer; }
.sd-check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--sd-org); flex: none; }
.sd-sheet__foot { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--sd-line); color: var(--sd-mute); font-size: 13px; }
.sd-sheet__tools { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; margin-top: 22px; }
@media print {
  .sd-nav, .sd-foot, .sd-noprint, .sd-search { display: none !important; }
  body { background: #fff; }
  .sd-sheet { padding: 0; } .sd-sheet__paper { border: 0; box-shadow: none; padding: 0; }
}

/* ---------- my learning ---------- */
.sd-mine-sign { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-bottom: 26px; padding: clamp(22px, 3vw, 34px); border-radius: 24px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-mine-sign[hidden] { display: none; }
.sd-mine-sign h2 { font-size: clamp(24px, 2.6vw, 32px); margin-bottom: 10px; }
.sd-mine-sign p { color: var(--sd-ink2); }
@media (max-width: 860px) { .sd-mine-sign { grid-template-columns: 1fr; } }
.sd-dash { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.sd-dash__card { padding: 24px; border-radius: 22px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-dash__total { display: flex; align-items: center; gap: 22px; }
.sd-dash__total b { display: block; font-size: 24px; letter-spacing: -.02em; } .sd-dash__total small { color: var(--sd-mute); }
.sd-dash__paths { display: grid; gap: 14px; }
.sd-dash__path { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: center; text-decoration: none; }
.sd-dash__path b { font-size: 16px; } .sd-dash__path small { color: var(--sd-mute); font-size: 13px; }
.sd-dash__path .sd-meter { grid-column: 1 / -1; }
.sd-saved { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sd-saved a { display: block; padding: 10px 12px; border-radius: 12px; background: var(--sd-bg); text-decoration: none; font-size: 15px; }
.sd-saved .sd-empty { font-size: 14px; }
.sd-dash__out { margin-top: 20px; }
@media (max-width: 760px) { .sd-dash { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.sd-foot { background: var(--sd-white); border-top: 1px solid var(--sd-line); padding: clamp(50px, 7vw, 80px) 0 26px; }
.sd-foot__in { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.sd-foot__brand p { margin-top: 18px; font-size: 21px; color: var(--sd-ink2); max-width: 22ch; line-height: 1.35; }
.sd-foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sd-foot ul a { text-decoration: none; color: var(--sd-ink2); font-size: 15px; } .sd-foot ul a:hover { color: var(--sd-org-ink); }
.sd-foot__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 30px; margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--sd-line); color: var(--sd-mute); font-size: 13.5px; }
@media (max-width: 860px) { .sd-foot__in { grid-template-columns: 1fr 1fr; } .sd-foot__brand { grid-column: 1 / -1; } }

/* ---------- diagrams ---------- */
.dg { display: block; width: 100%; height: auto; }
.dg-h { font: 700 15px var(--sd-head); } .dg-s { font: 500 12.5px var(--sd-body); fill: var(--sd-ink2); }
.dg-prices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.dg-prices div { display: grid; gap: 2px; padding: 14px; border-radius: 14px; background: var(--sd-bg); }
.dg-prices b { font-size: 22px; letter-spacing: -.02em; } .dg-prices span { color: var(--sd-ink2); font-size: 13px; }
.dg-prices p { grid-column: 1 / -1; margin: 6px 0 0 !important; font-size: 13.5px !important; color: var(--sd-mute) !important; }
@media (max-width: 600px) { .dg-prices { grid-template-columns: 1fr 1fr; } }
.dg-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dg-compare > div { padding: 20px; border-radius: 16px; }
.dg-compare small { display: block; font: 700 11px var(--sd-head); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 8px; }
.dg-compare p { margin: 0 !important; font-size: 16px !important; line-height: 1.5 !important; }
.dg-bad { background: #F4F1EC; } .dg-bad small { color: #9A4A35; } .dg-bad p { color: var(--sd-mute) !important; text-decoration: line-through; text-decoration-color: rgba(154, 74, 53, .4); }
.dg-good { background: #E7F5EE; } .dg-good small { color: var(--sd-green); } .dg-good p { color: var(--sd-ink) !important; font-weight: 550; }
.dg-lowc p { color: #C9C5BE !important; text-decoration: none; }
@media (max-width: 600px) { .dg-compare { grid-template-columns: 1fr; } }
.dg-serp { display: grid; gap: 8px; max-width: 460px; margin: 0 auto; }
.dg-serp__bar { padding: 12px 18px; border-radius: 999px; border: 1px solid var(--sd-line); background: var(--sd-white); color: var(--sd-ink2); font-size: 15px; }
.dg-serp__map { position: relative; height: 90px; border-radius: 14px; background: repeating-linear-gradient(45deg, #EEF1EC, #EEF1EC 10px, #E6EAE3 10px, #E6EAE3 20px); }
.dg-serp__map span { position: absolute; width: 14px; height: 14px; border-radius: 50% 50% 50% 0; transform: rotate(-45deg); background: var(--sd-org); }
.dg-serp__map span:nth-child(1) { left: 22%; top: 30%; } .dg-serp__map span:nth-child(2) { left: 55%; top: 50%; background: #9C98A6; } .dg-serp__map span:nth-child(3) { left: 78%; top: 25%; background: #9C98A6; }
.dg-serp__row { display: grid; padding: 10px 14px; border-radius: 12px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.dg-serp__row:first-of-type { border-color: var(--sd-org); }
.dg-serp__row b { font-size: 15px; } .dg-serp__row small { color: var(--sd-mute); font-size: 12.5px; }
.dg-serp p { margin: 4px 0 0 !important; text-align: center; font-size: 13px !important; color: var(--sd-mute) !important; }
.dg-card { max-width: 380px; margin: 0 auto; display: grid; gap: 8px; padding: 20px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.dg-card b { font-size: 19px; } .dg-card small { color: var(--sd-mute); } .dg-card p { margin: 0 !important; font-size: 14px !important; color: var(--sd-green) !important; }
.dg-chips { display: flex; gap: 6px; } .dg-chips span { padding: 6px 12px; border-radius: 999px; background: var(--sd-lav); color: var(--sd-lav-ink); font-size: 13px; font-weight: 600; }
.dg-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; } .dg-thumbs i { aspect-ratio: 1; border-radius: 10px; background: linear-gradient(135deg, #E9DCC9, #C9A27A); }
.dg-thumbs i:nth-child(2) { background: linear-gradient(135deg, #CFE3E9, #7FA7B5); } .dg-thumbs i:nth-child(3) { background: linear-gradient(135deg, #E3E9CF, #9DB57F); }
.dg-phone { display: grid; place-items: center; }
.dg-phone__s { width: 220px; display: grid; gap: 10px; padding: 26px 18px; border: 8px solid var(--sd-ink); border-radius: 30px; background: var(--sd-white); text-align: center; }
.dg-phone__s small { color: var(--sd-mute); font-size: 12px; } .dg-phone__s b { font-size: 17px; line-height: 1.25; }
.dg-btn { display: block; padding: 11px; border-radius: 999px; background: var(--sd-org); color: #fff; font: 700 14px var(--sd-body); }
.dg-btn--ghost { background: var(--sd-white); color: var(--sd-ink); border: 1px solid var(--sd-line); }
.dg-phone__s i { color: var(--sd-mute); font-size: 12px; font-style: normal; }
.dg-metrics, .dg-vitals { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.dg-vitals { grid-template-columns: repeat(3, 1fr); }
.dg-metrics div, .dg-vitals div { display: grid; gap: 2px; padding: 18px; border-radius: 16px; background: var(--sd-bg); }
.dg-metrics div:last-child { opacity: .6; }
.dg-metrics small, .dg-vitals small { color: var(--sd-ink2); font-size: 13px; } .dg-metrics b, .dg-vitals b { font-size: 28px; letter-spacing: -.03em; } .dg-metrics i, .dg-vitals i { font-style: normal; color: var(--sd-mute); font-size: 12.5px; }
.dg-vitals b { color: var(--sd-green); }
@media (max-width: 600px) { .dg-metrics { grid-template-columns: 1fr 1fr; } .dg-vitals { grid-template-columns: 1fr; } }
.dg-form { max-width: 380px; margin: 0 auto; display: grid; gap: 10px; }
.dg-form label { display: grid; gap: 4px; font: 600 13px var(--sd-body); color: var(--sd-ink2); }
.dg-form label span { height: 38px; border-radius: 10px; border: 1px solid var(--sd-line); background: var(--sd-white); } .dg-form .dg-tall { height: 64px; }
.dg-form s { padding: 8px 12px; border-radius: 10px; background: #F4F1EC; color: #9A4A35; font-size: 13px; }
.dg-form p { margin: 2px 0 0 !important; text-align: center; font-size: 13.5px !important; color: var(--sd-mute) !important; }

/* reveal */
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--sd-ease), transform .7s var(--sd-ease); transition-delay: calc(var(--i, 0) * 70ms); }
.js [data-reveal].in, .calm [data-reveal] { opacity: 1; transform: none; }
/* small labels keep their size inside lessons */
.sd-prose .sd-k, .sd-gate .sd-k { margin: 0 0 10px; font-size: 11.5px; line-height: 1.4; letter-spacing: .14em; color: var(--sd-mute); }
.sd-prose .sd-example .sd-k { color: var(--sd-lav-ink); }
.sd-prose .sd-next .sd-k { color: #A1A1A8; }
.sd-gate .sd-k { color: var(--sd-org-ink); }
.sd-faq details:first-of-type { margin-top: 2px; }
.sd-complete[hidden], .sd-gate[hidden], .sd-prose[hidden] { display: none; }

/* ---------- preview fade (visitors read the first section, then the sign-up card) ---------- */
.sd-preview { position: relative; }
.sd-preview:not(.is-open) { max-height: none; }
.sd-preview:not(.is-open)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 140px; pointer-events: none; background: linear-gradient(180deg, rgba(250, 249, 246, 0), var(--sd-bg) 85%); }
.sd-preview:not(.is-open) + [data-lesson-body][hidden] + .sd-gate { margin-top: -40px; position: relative; }

/* ---------- account tabs ---------- */
.sd-tabs { display: inline-flex; gap: 4px; padding: 4px; margin-bottom: 16px; border-radius: 999px; background: #F1EFEA; }
.sd-tabs button { min-height: 40px; padding: 0 16px; border: 0; border-radius: 999px; background: none; color: var(--sd-ink2); font: 650 14.5px var(--sd-body); cursor: pointer; }
.sd-tabs button.is-on { background: var(--sd-white); color: var(--sd-ink); box-shadow: 0 2px 8px -2px rgba(29, 29, 31, .2); }
.sd-gate__form [data-g1] { align-items: end; }
.sd-gate__fine { flex-basis: 100%; margin-top: 4px; color: var(--sd-mute); font-size: 13.5px; }
[data-g-namebox][hidden] { display: none !important; }

/* ---------- toolbox ---------- */
.sd-toolbox { margin: 40px 0; padding: clamp(22px, 3vw, 32px); border-radius: 24px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-prose .sd-toolbox h2 { margin: 0 0 18px; }
.sd-prose .sd-toolbox .sd-k { color: var(--sd-org-ink); }
.sd-tpl { margin-bottom: 12px; border: 1px solid var(--sd-line); border-radius: 16px; overflow: hidden; }
.sd-tpl__h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px 12px 18px; background: var(--sd-bg); border-bottom: 1px solid var(--sd-line); }
.sd-tpl__h b { font-size: 15.5px; }
.sd-copy { display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 0 12px; border: 1px solid var(--sd-line); border-radius: 999px; background: var(--sd-white); color: var(--sd-ink); font: 650 13px var(--sd-body); cursor: pointer; flex: none; }
.sd-copy svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; }
.sd-copy:hover { border-color: var(--sd-ink); }
.sd-copy.is-done { background: var(--sd-green); border-color: var(--sd-green); color: #fff; }
.sd-prose .sd-tpl__t { margin: 0; padding: 16px 18px; font-family: var(--sd-serif); font-size: 18px; line-height: 1.6; color: var(--sd-ink); white-space: pre-line; }
.sd-prose .sd-tools__k { margin-top: 24px; color: var(--sd-mute); }
.sd-tools { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sd-tools a { display: grid; gap: 2px; padding: 14px 16px; border-radius: 14px; background: var(--sd-lav); text-decoration: none; transition: transform .2s; }
.sd-tools a:hover { transform: translateX(3px); }
.sd-tools b { font-size: 15.5px; color: var(--sd-lav-ink); } .sd-tools span { color: var(--sd-ink2); font-size: 14.5px; line-height: 1.5; }

/* =====================================================================================
   2027 academy additions · Implementation Lab, resources, home sections, dashboard, ask, admin
   ===================================================================================== */
.sd-btn--sm { min-height: 40px; padding: 0 16px; font-size: 14.5px; }
.sd-btn:disabled { opacity: .55; cursor: default; transform: none; }
.sd-ok { padding: 12px 16px; border-radius: 14px; background: #E4F4EC; color: #145E3C; font-weight: 550; }
.sd-badge { display: inline-flex; align-items: center; gap: 6px; margin-left: 6px; padding: 3px 10px; border-radius: 999px; background: var(--sd-lav); color: var(--sd-lav-ink); font: 650 13px var(--sd-body); vertical-align: middle; }
.sd-hint { color: var(--sd-mute); font-size: 13px; line-height: 1.45; }
.sd-foot__tag { margin-top: 6px; color: var(--sd-mute); font-size: 14px; }
.sd-head--sm { margin: clamp(50px, 6vw, 80px) 0 24px; } .sd-head--sm h2 { font-size: clamp(28px, 3vw, 40px); }
.sd-term { color: inherit; text-decoration: underline; text-decoration-style: dotted; text-decoration-color: var(--sd-org); text-underline-offset: 4px; text-decoration-thickness: 2px; }
.sd-term:hover { color: var(--sd-org-ink); }

/* larger text (lesson “Text size” button) */
.sd-lg .sd-prose p, .sd-lg .sd-prose li, .sd-lg .sd-check label { font-size: 21px; line-height: 1.75; }
.sd-lg .sd-lsum, .sd-lg .sd-lintro p, .sd-lg .sd-lintro li { font-size: 21px; }
.sd-textsize span { font-family: var(--sd-head); font-weight: 750; letter-spacing: -.02em; } .sd-textsize span b { font-size: 1.25em; }
.sd-lhero__actions { display: flex; flex-wrap: wrap; gap: 10px; }

/* ---------- forms (shared) ---------- */
.sd-field select, .sd-field textarea { min-height: 50px; padding: 12px 16px; border: 1px solid var(--sd-line); border-radius: 14px; background: var(--sd-bg); font: 500 16px/1.5 var(--sd-body); color: var(--sd-ink); width: 100%; }
.sd-field textarea { resize: vertical; min-height: 96px; }
.sd-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--sd-mute) 50%), linear-gradient(135deg, var(--sd-mute) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
.sd-field select:focus, .sd-field textarea:focus { outline: none; border-color: var(--sd-org); box-shadow: 0 0 0 4px rgba(255, 74, 28, .15); }
.sd-field input { width: 100%; }

/* ---------- lesson intro ---------- */
.sd-lsum { max-width: 60ch; font-size: clamp(19px, 1.6vw, 22px); line-height: 1.55; color: var(--sd-ink2); margin: -6px 0 22px; }
.sd-lintro { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; max-width: 980px; }
.sd-lintro > div { padding: 22px 24px; border-radius: 20px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-lintro ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.sd-lintro li { position: relative; padding-left: 26px; font-size: 16.5px; line-height: 1.45; color: var(--sd-ink2); }
.sd-lintro li::before { content: ""; position: absolute; left: 0; top: .5em; width: 12px; height: 7px; border-left: 2.5px solid var(--sd-org); border-bottom: 2.5px solid var(--sd-org); transform: rotate(-45deg); }
.sd-lintro__why { border-left: 3px solid var(--sd-org) !important; }
.sd-lintro__why p:not(.sd-k) { font-family: var(--sd-serif); font-size: clamp(18px, 1.5vw, 21px); line-height: 1.5; color: var(--sd-ink); }
@media (max-width: 760px) { .sd-lintro { grid-template-columns: 1fr; } }
.sd-transcript { margin: 12px 0 24px; padding: 14px 18px; border-radius: 14px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-transcript summary { cursor: pointer; font-weight: 650; }

/* lesson: lab activity, verification, assistance */
.sd-labbox, .sd-assist { display: grid; grid-template-columns: 56px 1fr; gap: 18px; margin: 40px 0; padding: clamp(22px, 3vw, 32px); border-radius: 24px; }
.sd-labbox { background: linear-gradient(150deg, var(--sd-lav), var(--sd-white) 75%); border: 1px solid #DCD7FA; }
.sd-labbox__i, .sd-assist__i { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--sd-ink); color: #fff; }
.sd-labbox__i svg, .sd-assist__i svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sd-prose .sd-labbox h2, .sd-assist h2 { margin: 0 0 10px; font-size: clamp(22px, 2.2vw, 28px); }
.sd-prose .sd-labbox .sd-k { color: var(--sd-lav-ink); }
.sd-prose .sd-labbox__out { font-size: 16px; }
.sd-labbox__a { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 6px; }
.sd-labbox__st, .sd-labcard__st { font: 600 13px var(--sd-body); color: var(--sd-mute); }
.sd-labbox__st.is-done, .sd-labcard__st.is-done { color: var(--sd-green); } .sd-labbox__st.is-on, .sd-labcard__st.is-on { color: var(--sd-org-ink); }
.sd-verify { margin: 40px 0; padding: clamp(22px, 3vw, 30px); border-radius: 24px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-prose .sd-verify h2 { margin: 0; }
.sd-prose .sd-verify .sd-k { color: var(--sd-green); }
.sd-verify .sd-check { margin-top: 16px; }
.sd-verify__c { margin-top: 12px; color: var(--sd-mute); font-size: 14px !important; }
.sd-assist { background: var(--sd-dark); color: #F5F5F7; }
.sd-assist__i { background: var(--sd-org); }
.sd-assist p { color: #C9C9CF !important; font-size: 16.5px !important; margin: 0 0 18px !important; }
.sd-assist .sd-k { color: #FF8A63 !important; }
@media (max-width: 560px) { .sd-labbox, .sd-assist { grid-template-columns: 1fr; } }
.sd-lside__lab { display: flex; gap: 12px; align-items: center; margin-top: 16px; padding: 14px; border-radius: 16px; background: var(--sd-lav); color: var(--sd-lav-ink); text-decoration: none; font: 650 14.5px/1.3 var(--sd-head); }
.sd-lside__lab svg { width: 26px; height: 26px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; }
.sd-lside__lab small { display: block; font: 500 12px var(--sd-body); opacity: .8; }

/* ---------- lab cards ---------- */
.sd-labcards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 14px; }
.sd-labcards--tools { grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); }
.sd-labcard { position: relative; display: grid; align-content: start; gap: 10px; padding: 24px; border-radius: 22px; background: var(--sd-white); border: 1px solid var(--sd-line); text-decoration: none; transition: transform .25s var(--sd-ease), border-color .2s, box-shadow .25s; }
.sd-labcard:hover { transform: translateY(-3px); border-color: var(--sd-ink); box-shadow: 0 26px 50px -34px rgba(29, 29, 31, .35); }
.sd-labcard--tool { background: linear-gradient(155deg, var(--sd-lav), var(--sd-white) 70%); }
.sd-labcard__top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.sd-labcard__i { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--sd-ink); color: #fff; margin-right: 4px; }
.sd-labcard__i svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.sd-labcard.is-done .sd-labcard__i { background: var(--sd-green); }
.sd-labcard b { font-size: 19px; letter-spacing: -.02em; line-height: 1.2; } .sd-labcard small { color: var(--sd-ink2); font-size: 14.5px; line-height: 1.5; }
.sd-labcard__st { width: 100%; }
.sd-labpath + .sd-labpath { margin-top: 34px; }
.sd-levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.sd-levels > div { display: grid; align-content: start; gap: 10px; padding: 28px; border-radius: 22px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-levels span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--sd-org-soft); color: var(--sd-org-ink); font: 800 18px var(--sd-head); }
.sd-levels > div:last-child { background: var(--sd-dark); color: #F5F5F7; border-color: var(--sd-dark); } .sd-levels > div:last-child p { color: #B8B8BE; } .sd-levels > div:last-child .sd-link { color: #FF8A63; }
.sd-levels b { font-size: 21px; letter-spacing: -.02em; } .sd-levels p { color: var(--sd-ink2); font-size: 15.5px; }
@media (max-width: 860px) { .sd-levels { grid-template-columns: 1fr; } }
.sd-stages { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.sd-stages--mini { margin-top: 30px; max-width: 900px; }
.sd-stages--mini li { display: grid; gap: 2px; padding: 16px 18px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-stages--mini span { font: 800 12px var(--sd-head); color: var(--sd-org); letter-spacing: .1em; } .sd-stages--mini b { font-size: 18px; } .sd-stages--mini small { color: var(--sd-mute); font-size: 13px; line-height: 1.4; }
@media (max-width: 760px) { .sd-stages { grid-template-columns: 1fr 1fr; } }

/* ---------- exercise page ---------- */
.sd-lhero--lab { background: linear-gradient(170deg, var(--sd-lav) 0%, var(--sd-white) 45%, var(--sd-bg)); }
.sd-labprog { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; color: var(--sd-mute); font-size: 14px; }
.sd-saved-note { color: var(--sd-green); font-weight: 600; }
.sd-labgrid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(24px, 4vw, 60px); padding: clamp(30px, 4vw, 50px) 0 clamp(70px, 8vw, 110px); }
.sd-stepper ol { position: sticky; top: 96px; list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.sd-stepper button { display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 12px; border: 0; border-radius: 14px; background: none; color: var(--sd-ink2); text-align: left; font: 600 14.5px/1.3 var(--sd-body); cursor: pointer; }
.sd-stepper button span { display: grid; place-items: center; width: 30px; height: 30px; flex: none; border-radius: 50%; border: 1.5px solid var(--sd-line); background: var(--sd-white); font: 750 13px var(--sd-head); }
.sd-stepper button b { font-family: var(--sd-body); font-weight: 600; }
.sd-stepper button:hover { background: rgba(29, 29, 31, .04); }
.sd-stepper li.is-past button span { background: var(--sd-ink); border-color: var(--sd-ink); color: #fff; }
.sd-stepper button[aria-current="step"] { background: var(--sd-white); color: var(--sd-ink); box-shadow: 0 0 0 1px var(--sd-line); }
.sd-stepper button[aria-current="step"] span { background: var(--sd-org); border-color: var(--sd-org); color: #fff; }
.sd-labmain { max-width: 780px; min-width: 0; }
.sd-stepp h2 { font-size: clamp(30px, 3.4vw, 44px); margin-bottom: 16px; outline: none; }
.sd-stepp > p { color: var(--sd-ink2); }
.sd-stepp .sd-lede { margin-bottom: 22px; }
.sd-stepp[hidden] { display: none; }
.sd-goalbox { display: grid; grid-template-columns: 1fr auto; gap: 14px; margin: 6px 0 18px; }
.sd-goalbox > div { display: grid; gap: 4px; padding: 18px 20px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-goalbox small { color: var(--sd-mute); font-size: 12.5px; text-transform: uppercase; letter-spacing: .1em; font-weight: 650; } .sd-goalbox b { font-size: 17px; line-height: 1.35; }
.sd-fine a, .sd-stepp p a, .sd-guide a { color: var(--sd-org-ink); }
.sd-guide { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 12px; }
.sd-guide li { display: grid; grid-template-columns: 40px 1fr; gap: 16px; padding: 20px; border-radius: 20px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-guide li > span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--sd-org-soft); color: var(--sd-org-ink); font: 800 16px var(--sd-head); }
.sd-guide b { display: block; font-size: 18px; margin-bottom: 4px; } .sd-guide p { color: var(--sd-ink2); font-size: 16.5px; line-height: 1.6; }
.sd-record { display: grid; gap: 16px; }
.sd-record > .sd-field { flex: none; }
.sd-fh { margin: 20px 0 -2px; font-size: 20px; letter-spacing: -.02em; padding-top: 18px; border-top: 1px solid var(--sd-line); }
.sd-fh:first-child { margin-top: 0; padding-top: 0; border: 0; }
.sd-fnote { color: var(--sd-mute); font-size: 14.5px; }
.sd-yn { margin: 0; padding: 16px 18px; border: 1px solid var(--sd-line); border-radius: 16px; background: var(--sd-white); }
.sd-yn legend { float: left; width: 100%; padding: 0; margin-bottom: 10px; font: 600 16px/1.4 var(--sd-body); color: var(--sd-ink); }
.sd-yn__o { clear: both; display: flex; flex-wrap: wrap; gap: 8px; }
.sd-yn__o label { position: relative; cursor: pointer; }
.sd-yn__o input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.sd-yn__o span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--sd-line); background: var(--sd-bg); font: 600 14.5px var(--sd-body); transition: background-color .15s, border-color .15s, color .15s; }
.sd-yn__o input:focus-visible + span { outline: 3px solid var(--sd-org); outline-offset: 2px; }
.sd-yn__o input:checked + span { color: #fff; border-color: transparent; }
.sd-yn__o input[value="yes"]:checked + span { background: var(--sd-green); }
.sd-yn__o input[value="partly"]:checked + span { background: #B7791F; }
.sd-yn__o input[value="no"]:checked + span { background: var(--sd-org-ink); }
.sd-yn__o input[value="unsure"]:checked + span { background: var(--sd-ink2); }
.sd-rows { display: grid; gap: 10px; padding: 18px; border-radius: 18px; background: #F3F1EC; }
.sd-rows__l { font: 650 16px var(--sd-head); }
.sd-rows__b { display: grid; gap: 10px; }
.sd-row { position: relative; padding: 16px 44px 16px 16px; border-radius: 14px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-row__g { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 190px), 1fr)); gap: 10px; }
.sd-field--c span { font-size: 12.5px; } .sd-field--c input, .sd-field--c select { min-height: 44px; font-size: 15px; } .sd-field--c textarea { min-height: 70px; font-size: 15px; }
.sd-row__x { position: absolute; top: 10px; right: 10px; width: 30px; height: 30px; border: 0; border-radius: 50%; background: var(--sd-bg); color: var(--sd-mute); font-size: 18px; line-height: 1; cursor: pointer; }
.sd-row__x:hover { background: var(--sd-org-soft); color: var(--sd-org-ink); }
.sd-rows [data-row-add] { justify-self: start; }
.sd-labgate { padding: clamp(22px, 3vw, 32px); border-radius: 22px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-labgate h3 { font-size: clamp(22px, 2.2vw, 28px); margin-bottom: 10px; } .sd-labgate > p { color: var(--sd-ink2); margin-bottom: 18px; }
.sd-locknote { margin-top: 10px; padding: 16px 18px; border-radius: 16px; background: var(--sd-white); border: 1px dashed var(--sd-line); color: var(--sd-ink2); }
.sd-results { margin-bottom: 4px; }
.sd-results > p { color: var(--sd-ink2); }
.sd-rescount { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.sd-rescount span { display: grid; min-width: 84px; padding: 12px 14px; border-radius: 14px; background: var(--sd-white); border: 1px solid var(--sd-line); font-size: 13px; color: var(--sd-mute); }
.sd-rescount b { font-size: 26px; color: var(--sd-ink); letter-spacing: -.02em; }
.sd-rescount .is-yes b { color: var(--sd-green); } .sd-rescount .is-partly b { color: #B7791F; } .sd-rescount .is-no b { color: var(--sd-org-ink); }
.sd-resp { margin: 14px 0 6px; font: 700 14px var(--sd-head); display: flex; align-items: center; gap: 8px; }
.sd-resp::before { content: ""; width: 10px; height: 10px; border-radius: 50%; }
.sd-resp--high::before { background: var(--sd-org); } .sd-resp--medium::before { background: #E0A43A; } .sd-resp--future::before { background: #9C98B8; }
.sd-resl { margin: 0 0 6px; padding-left: 20px; color: var(--sd-ink2); } .sd-resl li { margin: 4px 0; }
.sd-k--v { margin-top: 26px; }
.sd-perf { display: grid; gap: 10px; margin-bottom: 8px; }
.sd-perf > div { padding: 16px 18px; border-radius: 16px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-perf small { display: block; color: var(--sd-mute); font-size: 13px; margin: 2px 0 10px; }
.sd-perf ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sd-perf li { display: grid; padding: 10px 12px; border-radius: 12px; background: var(--sd-bg); font: 700 18px var(--sd-head); }
.sd-perf li span { font: 650 11px var(--sd-head); letter-spacing: .1em; color: var(--sd-mute); }
.sd-perf li i { font: 600 12.5px var(--sd-body); font-style: normal; color: var(--sd-mute); }
.sd-perf li.is-good { background: #E4F4EC; } .sd-perf li.is-good i { color: var(--sd-green); }
.sd-perf li.is-ni { background: #FCF1DD; } .sd-perf li.is-ni i { color: #8A5A12; }
.sd-perf li.is-poor { background: var(--sd-org-soft); } .sd-perf li.is-poor i { color: var(--sd-org-ink); }
.sd-nextgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 10px; margin: 10px 0 0; }
.sd-nextc { display: grid; align-content: start; gap: 4px; padding: 18px; border-radius: 18px; border: 1px solid var(--sd-line); background: var(--sd-white); color: var(--sd-ink); text-align: left; text-decoration: none; font: inherit; cursor: pointer; transition: border-color .2s, transform .2s; }
.sd-nextc:hover { border-color: var(--sd-ink); transform: translateY(-2px); }
.sd-nextc b { font-size: 16px; } .sd-nextc small { color: var(--sd-mute); font-size: 13.5px; line-height: 1.45; }
.sd-nextc.is-done { background: #E4F4EC; border-color: #B8E0CA; } .sd-nextc.is-done b { color: var(--sd-green); }
.sd-nextgrid > .sd-nextc:first-child { border-color: var(--sd-org); }
.sd-handoff { margin-bottom: 16px; padding: 22px 24px; border-radius: 20px; background: var(--sd-org-soft); border: 1px solid #FFCDB9; }
.sd-handoff p { color: var(--sd-ink2); margin-bottom: 14px; } .sd-handoff .sd-k { color: var(--sd-org-ink); margin-bottom: 6px; }
.sd-stepnav { display: flex; justify-content: space-between; gap: 12px; margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--sd-line); }
.sd-stepnav [hidden] { display: none; }
@media (max-width: 900px) {
  .sd-labgrid { grid-template-columns: minmax(0, 1fr); }
  .sd-stepper { min-width: 0; }
  .sd-stepper ol { position: static; display: flex; overflow-x: auto; gap: 6px; padding-bottom: 6px; scrollbar-width: none; }
  .sd-stepper li { flex: none; }
  .sd-stepper button b { display: none; }
  .sd-stepper button[aria-current="step"] b { display: inline; }
  .sd-goalbox { grid-template-columns: 1fr; }
}
/* the improvement plan editor */
.sd-plan { display: grid; gap: 14px; }
.sd-plang ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sd-prow { display: grid; grid-template-columns: 28px minmax(0, 1fr) 110px 140px 150px 30px; gap: 8px; align-items: center; padding: 10px 12px; border-radius: 14px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-prow input, .sd-prow select { min-height: 40px; padding: 0 10px; border: 1px solid var(--sd-line); border-radius: 10px; background: var(--sd-bg); font: 500 14.5px var(--sd-body); color: var(--sd-ink); width: 100%; }
.sd-prow .sd-prow__d input { width: 22px; height: 22px; min-height: 0; accent-color: var(--sd-green); }
.sd-prow .sd-row__x { position: static; }
.sd-prow small { grid-column: 2 / -1; color: var(--sd-mute); font-size: 12.5px; }
.sd-prow.is-done .sd-prow__t { text-decoration: line-through; color: var(--sd-mute); }
@media (max-width: 760px) { .sd-prow { grid-template-columns: 28px 1fr 30px; } .sd-prow select, .sd-prow input[type="date"] { grid-column: 2 / 3; } }

/* print a Lab summary */
.sd-printout { display: none; }
@media print {
  .sd-printing body > *:not(main), .sd-printing main > *:not(.sd-labpage), .sd-printing .sd-labpage > *:not(.sd-printout) { display: none !important; }
  .sd-printing .sd-printout { display: block !important; }
  .sd-lesson .sd-lside, .sd-lesson .sd-pn, .sd-assist, .sd-gate, .sd-lhero__actions { display: none !important; }
  .sd-lgrid { grid-template-columns: 1fr; }
}
.sd-pr { font: 400 11pt/1.45 var(--sd-body); color: #1D1D1F; }
.sd-pr__head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 10pt; border-bottom: 1px solid #DDD; }
.sd-pr__head span { font-size: 9pt; color: #6E6A64; text-transform: uppercase; letter-spacing: .12em; }
.sd-pr h1 { font-size: 24pt; margin: 14pt 0 4pt; } .sd-pr__date { color: #6E6A64; margin-bottom: 12pt; }
.sd-pr table { width: 100%; border-collapse: collapse; } .sd-pr td, .sd-pr th { padding: 5pt 7pt; border: 1px solid #E2DED6; text-align: left; vertical-align: top; }
.sd-pr td:first-child { width: 42%; color: #424245; }
.sd-pr__h { background: #EAE7FF; font-family: var(--sd-head); }
.sd-pr__rows td, .sd-pr__rows th { font-size: 9.5pt; width: auto !important; }
.sd-pr__foot { margin-top: 14pt; color: #6E6A64; font-size: 9pt; }

/* ---------- resource sheets ---------- */
.sd-rh { font-size: 22px !important; margin: 30px 0 4px; letter-spacing: -.02em; }
.sd-rp { margin: 22px 0 0; padding: 14px 16px; border-radius: 14px; background: var(--sd-bg); color: var(--sd-ink2); font-size: 15px; }
.sd-sheet .sd-check { margin-top: 12px; }
.sd-fill { display: grid; gap: 10px; margin-top: 14px; }
.sd-fill label { display: grid; grid-template-columns: minmax(150px, 40%) 1fr; gap: 12px; align-items: end; font-size: 15.5px; color: var(--sd-ink2); }
.sd-fill input, .sd-sheet__who input, .sd-rtable input { min-height: 34px; border: 0; border-bottom: 1.5px solid #CFCAC0; border-radius: 0; background: transparent; font: 500 15.5px var(--sd-body); color: var(--sd-ink); width: 100%; padding: 4px 2px; }
.sd-fill input:focus, .sd-sheet__who input:focus, .sd-rtable input:focus { outline: none; border-bottom-color: var(--sd-org); }
.sd-sheet__who { display: grid; grid-template-columns: auto 1fr auto 160px; gap: 10px 12px; align-items: end; margin: 18px 0 6px; font: 650 13px var(--sd-head); letter-spacing: .08em; text-transform: uppercase; color: var(--sd-mute); }
.sd-rtable-w { overflow-x: auto; margin-top: 14px; }
.sd-rtable { width: 100%; border-collapse: collapse; min-width: 520px; }
.sd-rtable th { padding: 8px 8px; text-align: left; font: 650 12px var(--sd-head); letter-spacing: .06em; text-transform: uppercase; color: var(--sd-mute); border-bottom: 1.5px solid var(--sd-ink); }
.sd-rtable td { padding: 2px 6px; border-bottom: 1px solid var(--sd-line); }
.sd-rtable td input { border-bottom: 0; }
@media (max-width: 560px) { .sd-fill label { grid-template-columns: 1fr; gap: 2px; } .sd-sheet__who { grid-template-columns: auto 1fr; } }
@media print { .sd-rtable { min-width: 0; } .sd-fill input, .sd-sheet__who input { border-bottom-color: #999; } }

/* ---------- home: hero dashboard, model, paths, lab list, experience ---------- */
.sd-ui__dash { display: grid; grid-template-columns: 120px 1fr; min-height: 260px; }
.sd-ui__side { display: grid; align-content: start; gap: 4px; padding: 14px 10px; background: var(--sd-white); border-right: 1px solid var(--sd-line); font-size: 11px; color: var(--sd-mute); }
.sd-ui__side b { font-size: 12px; color: var(--sd-ink); margin: 0 6px 8px; } .sd-ui__side span { padding: 6px; border-radius: 8px; } .sd-ui__side .is-on { background: var(--sd-lav); color: var(--sd-lav-ink); font-weight: 650; }
.sd-ui__main { display: grid; gap: 8px; align-content: start; padding: 14px 16px 18px; }
.sd-ui__main small { font-size: 10.5px; color: var(--sd-mute); text-transform: uppercase; letter-spacing: .1em; } .sd-ui__main > b { font-size: clamp(14px, 1.4vw, 19px); letter-spacing: -.02em; }
.sd-ui__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.sd-ui__cards span { display: grid; gap: 4px; padding: 8px; border-radius: 10px; background: var(--sd-white); border: 1px solid var(--sd-line); font-size: 10.5px; font-weight: 600; }
.sd-ui__cards i { display: block; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--sd-org) var(--w), #ECE8E0 0); }
.sd-float .sd-play svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }
@media (max-width: 520px) { .sd-ui__dash { grid-template-columns: 1fr; } .sd-ui__side { display: none; } }
.sd-sec--model { padding-bottom: clamp(50px, 6vw, 80px); }
.sd-model { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(20px, 4vw, 50px); align-items: stretch; }
.sd-model .sd-stages { grid-template-columns: 1fr 1fr; }
.sd-model .sd-stages button { display: grid; gap: 6px; width: 100%; height: 100%; padding: 22px; border: 1px solid var(--sd-line); border-radius: 22px; background: var(--sd-white); text-align: left; font: inherit; color: var(--sd-ink); cursor: pointer; transition: background-color .3s, border-color .3s, transform .3s var(--sd-ease); }
.sd-model .sd-stages button span { font: 800 14px var(--sd-head); color: var(--sd-org); letter-spacing: .08em; }
.sd-model .sd-stages button b { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: .02em; }
.sd-model .sd-stages button small { color: var(--sd-ink2); font-size: 15px; line-height: 1.45; }
.sd-model .sd-stages button:hover { border-color: var(--sd-ink); }
.sd-model .sd-stages button[aria-pressed="true"] { background: var(--sd-ink); border-color: var(--sd-ink); color: #fff; transform: translateY(-2px); }
.sd-model .sd-stages button[aria-pressed="true"] small { color: #C9C9CF; }
.sd-model__panels { position: relative; min-height: 260px; border-radius: 26px; background: linear-gradient(150deg, var(--sd-lav), var(--sd-org-soft)); overflow: hidden; }
.sd-model__p { position: absolute; inset: 0; display: grid; place-items: center; padding: 26px; opacity: 0; transform: translateY(14px); transition: opacity .5s var(--sd-ease), transform .5s var(--sd-ease); }
.sd-model__p.is-on { opacity: 1; transform: none; }
.sd-mp { width: min(380px, 100%); display: grid; gap: 10px; padding: 22px 24px; border-radius: 20px; background: var(--sd-white); box-shadow: 0 30px 60px -36px rgba(29, 29, 31, .4); }
.sd-mp small { color: var(--sd-mute); font-size: 12.5px; } .sd-mp > b { font-size: 20px; letter-spacing: -.02em; line-height: 1.2; } .sd-mp p { color: var(--sd-ink2); font-size: 15px; line-height: 1.7; }
.sd-mp__row { display: grid; grid-template-columns: 90px 1fr; gap: 10px; padding: 8px 10px; border-radius: 10px; background: var(--sd-bg); font-size: 14px; }
.sd-mp__row span { color: var(--sd-mute); } .sd-mp__row i { font-style: normal; font-weight: 600; }
.sd-mp__hi, .sd-mp__md, .sd-mp__fu { display: inline-block; min-width: 64px; margin-right: 6px; padding: 1px 8px; border-radius: 999px; font: 700 11.5px var(--sd-head); }
.sd-mp__hi { background: var(--sd-org-soft); color: var(--sd-org-ink); } .sd-mp__md { background: #FCF1DD; color: #8A5A12; } .sd-mp__fu { background: var(--sd-lav); color: var(--sd-lav-ink); }
@media (max-width: 860px) { .sd-model { grid-template-columns: 1fr; } }
.calm .sd-model__p { transition: none; }
.sd-path__art { position: relative; display: flex; align-items: center; justify-content: space-between; height: 120px; margin: -6px -6px 0; padding: 0 22px; border-radius: 18px; background: rgba(255, 255, 255, .6); border: 1px solid rgba(29, 29, 31, .06); overflow: hidden; }
.sd-path__art svg { width: 64px; height: 64px; fill: none; stroke: var(--sd-ink); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.sd-path__art i { font: 800 76px/1 var(--sd-head); font-style: normal; letter-spacing: -.06em; color: transparent; -webkit-text-stroke: 1.5px rgba(29, 29, 31, .18); }
.sd-path__facts { display: flex; flex-wrap: wrap; gap: 6px; }
.sd-path__facts span { padding: 4px 10px; border-radius: 999px; background: rgba(255, 255, 255, .8); border: 1px solid var(--sd-line); font: 600 12.5px var(--sd-body); color: var(--sd-ink2); }
.sd-path__go { font: 650 14px var(--sd-body); color: var(--sd-org-ink); }
.sd-lablist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sd-lablist a { display: grid; grid-template-columns: 44px 1fr; gap: 2px 14px; align-items: center; padding: 16px 18px; border-radius: 18px; background: #1F1F22; border: 1px solid #2C2C30; text-decoration: none; transition: border-color .2s, transform .2s; }
.sd-lablist a:hover { border-color: var(--sd-org); transform: translateX(4px); }
.sd-lablist span { grid-row: span 2; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--sd-org); color: #fff; }
.sd-lablist svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.sd-lablist b { font-size: 17px; } .sd-lablist small { color: #A1A1A8; font-size: 14px; }
.sd-exp { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.sd-exp__c { grid-column: span 2; display: grid; align-content: start; gap: 14px; padding: 24px; border-radius: 24px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-exp__c:nth-child(1), .sd-exp__c:nth-child(2) { grid-column: span 3; }
.sd-exp__c > p:last-child { color: var(--sd-ink2); font-size: 15.5px; }
.sd-exp__ui { display: grid; gap: 8px; align-content: center; justify-items: start; min-height: 150px; padding: 20px; border-radius: 18px; background: var(--sd-bg); border: 1px solid var(--sd-line); }
.sd-exp__ui > b { font-size: 19px; letter-spacing: -.02em; line-height: 1.2; }
.sd-exp__ui > i { display: block; width: 100%; height: 8px; border-radius: 6px; background: #E9E5DD; }
.sd-exp__ui--video { place-items: center; justify-items: center; background: linear-gradient(150deg, #1D1D1F, #34343A); color: #fff; }
.sd-exp__ui--video span { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: rgba(255, 255, 255, .14); font-size: 20px; }
.sd-exp__ui--video small { color: #B8B8BE; }
.sd-exp__ui--steps { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.sd-exp__ui--steps span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; border: 1.5px solid var(--sd-line); background: var(--sd-white); font: 750 13px var(--sd-head); }
.sd-exp__ui--steps .is-d { background: var(--sd-ink); color: #fff; border-color: var(--sd-ink); } .sd-exp__ui--steps .is-on { background: var(--sd-org); color: #fff; border-color: var(--sd-org); }
.sd-exp__ui--ring { grid-template-columns: auto 1fr; align-items: center; gap: 14px; } .sd-exp__ui--ring small { color: var(--sd-mute); font-size: 13px; }
.sd-exp__ui--doc span { color: var(--sd-ink2); font-size: 14px; }
@media (max-width: 960px) { .sd-exp { grid-template-columns: 1fr 1fr; } .sd-exp__c, .sd-exp__c:nth-child(1), .sd-exp__c:nth-child(2) { grid-column: span 1; } }
@media (max-width: 600px) { .sd-exp { grid-template-columns: 1fr; } }
.sd-sec--soft .sd-benefits li { background: var(--sd-white); border-color: var(--sd-line); }
.sd-sec--soft .sd-benefits span { color: var(--sd-mute); }
.sd-sec--dark .sd-split h2 em { color: #FF8A63; }

/* learning paths index */
.sd-pblock + .sd-pblock { margin-top: clamp(50px, 6vw, 80px); }
.sd-pblock__h { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: start; margin-bottom: 22px; }
.sd-pblock__h .sd-path__i--big { margin: 0; }
.sd-pblock h2 { font-size: clamp(28px, 3vw, 40px); margin-bottom: 8px; } .sd-pblock h2 a { text-decoration: none; } .sd-pblock h2 a:hover { color: var(--sd-org-ink); }
.sd-pblock__h p:not(.sd-k) { color: var(--sd-ink2); max-width: 62ch; margin-bottom: 14px; }
.sd-pblock__h .sd-meter { max-width: 320px; }

/* glossary details */
.sd-gloss--core { grid-column: 1 / -1; }
.sd-gloss__more { display: grid; grid-template-columns: 150px 1fr; gap: 6px 16px; margin: 10px 0 0; padding-top: 12px; border-top: 1px solid var(--sd-line); font-size: 15px; }
.sd-gloss__more dt { font: 650 12px var(--sd-head); letter-spacing: .08em; text-transform: uppercase; color: var(--sd-mute); padding-top: 3px; }
.sd-gloss__more dd { margin: 0; color: var(--sd-ink2); } .sd-gloss__more a { color: var(--sd-org-ink); }
@media (max-width: 700px) { .sd-gloss { grid-template-columns: 1fr; } .sd-gloss__more { grid-template-columns: 1fr; } }

/* ---------- my learning ---------- */
.sd-dash__wide { grid-column: 1 / -1; }
.sd-dash__continue { background: linear-gradient(150deg, var(--sd-lav), var(--sd-white) 70%); }
.sd-dash__continue .sd-dash__path b { font-size: 22px; letter-spacing: -.02em; }
.sd-dash__go { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 16px; }
.sd-dash__total small { display: block; }
.sd-dash__help { background: var(--sd-dark); color: #F5F5F7; border-color: var(--sd-dark); } .sd-dash__help p { color: #C9C9CF; } .sd-dash__help .sd-k { color: #FF8A63; } .sd-dash__help .sd-link { color: #FF8A63; }
.sd-labsaved { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); gap: 8px; }
.sd-labsaved a { display: grid; gap: 2px; padding: 14px 16px; border-radius: 14px; background: var(--sd-bg); text-decoration: none; }
.sd-labsaved b { font-size: 15.5px; } .sd-labsaved small { color: var(--sd-mute); font-size: 13px; }
.sd-labsaved .sd-empty a { color: var(--sd-org-ink); display: inline; padding: 0; background: none; }
.sd-plancount { list-style: none; margin: 0 0 14px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sd-plancount li { display: grid; padding: 12px; border-radius: 14px; background: var(--sd-bg); font-size: 13px; color: var(--sd-mute); }
.sd-plancount b { font-size: 26px; color: var(--sd-ink); }
.sd-plancount li:first-child b { color: var(--sd-org-ink); }
@media (max-width: 760px) { .sd-dash { grid-template-columns: 1fr; } }

/* ---------- ask + admin ---------- */
.sd-ask { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(20px, 4vw, 50px); align-items: start; }
.sd-askbox { padding: clamp(22px, 3vw, 32px); border-radius: 24px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-askbox form { display: grid; gap: 16px; } .sd-askbox h2 { font-size: clamp(24px, 2.4vw, 30px); margin-bottom: 8px; } .sd-askbox [data-ask-sign] > p { color: var(--sd-ink2); margin-bottom: 16px; }
.sd-askbox form > .sd-btn { justify-self: start; }
.sd-qlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.sd-q { padding: 16px 18px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); border-left: 4px solid #E0A43A; }
.sd-q--answered { border-left-color: var(--sd-green); } .sd-q--closed { border-left-color: var(--sd-line); }
.sd-q small { display: block; color: var(--sd-mute); font-size: 13px; margin-bottom: 6px; } .sd-q > p { white-space: pre-wrap; }
.sd-q__a { margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: #E4F4EC; } .sd-q__a p { white-space: pre-wrap; color: var(--sd-ink2); }
.sd-q .sd-field { margin-top: 12px; } .sd-q > p:last-child { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
@media (max-width: 860px) { .sd-ask { grid-template-columns: 1fr; } }
.sd-adm-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.sd-adm-stats div { display: grid; padding: 18px; border-radius: 18px; background: var(--sd-white); border: 1px solid var(--sd-line); }
.sd-adm-stats b { font-size: 32px; letter-spacing: -.03em; } .sd-adm-stats small { color: var(--sd-mute); }
.sd-adm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sd-adm-add { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.sd-adm-add input { flex: 1 1 160px; min-height: 40px; padding: 0 12px; border: 1px solid var(--sd-line); border-radius: 10px; background: var(--sd-bg); font: 500 14.5px var(--sd-body); }
.sd-adm-grid .sd-saved li { display: flex; justify-content: space-between; gap: 10px; padding: 10px 12px; border-radius: 12px; background: var(--sd-bg); font-size: 14.5px; }
.sd-adm-t { width: 100%; border-collapse: collapse; margin-bottom: 18px; font-size: 14.5px; }
.sd-adm-t th, .sd-adm-t td { padding: 8px 10px; border-bottom: 1px solid var(--sd-line); text-align: left; } .sd-adm-t td + td, .sd-adm-t th + th { text-align: right; width: 90px; }
@media (max-width: 860px) { .sd-adm-grid { grid-template-columns: 1fr; } }
.sd-split .sd-fine { margin-top: 18px; }
.sd-sec--soft .sd-benefits b { font-size: clamp(19px, 1.7vw, 23px); line-height: 1.2; }
.sd-foot .sd-foot__tag { margin-top: 8px; font: 500 14px/1.5 var(--sd-body); color: var(--sd-mute); }
.sd-dash__continue .sd-dash__path { grid-template-columns: 1fr; }
.sd-next .sd-btn { white-space: normal; text-align: center; line-height: 1.3; padding-block: 10px; }
.sd-foot__admin { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; padding: 3px 10px 3px 5px; vertical-align: middle; border: 1px solid var(--sd-line); border-radius: 999px; color: var(--sd-ink2); text-decoration: none; font-weight: 600; }
.sd-foot__admin svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.sd-foot__admin:hover, .sd-foot__admin:focus-visible { border-color: var(--sd-org); color: var(--sd-org-ink); }